Carbureter.



H. E. KEER. CARBURETER.

APPLICATION FILED MAY 22. 1911.

P9 teuted Feb. 27, 1912.

-I UNITED STATE HARRY E. KEER, OF DETROIT, MICHIGAN;

s v lgmralwT OFFICE,

CARBURETER.

Apphcation filed May 22, 1911. Serial No. 628,679;v

CHM- tened a5 ma. crank 34 -116511 the tn be Si?4 bui; it. preferably -gxn what below the outlet o ening of the fuel nozzle. The engine to w ich this carbureter is connected, at its intake stroke, causes a partial vacuum at the end of the nozzle, which will cause a flow of fuel therefrom. Italso causes a rush of air through the e1- bow 15. The deflector 26 divides this {iow of air so that the stream of air that passes below the deiector takes up the fuel from theend of the nozzle in small particles. The stream of air that passes above the de- 1Hector strikes the mixture of air and fuel,

causing a breaking up of the particles of -fuel and a more intimate mixture, being assisted therein by the ridge 30 which causes an acceleration o f the air at that point and an eddy below'it. When the mixed air and fuel has passed the reduced portion of the bore and entered the chamber 39, its speed decreases and it meets and mixes with a stream of air which is admitted by the valve 53. This causes an eddy and completes the carbureting. The rate of flow of the air through the elbow 15 is controlled by the position of the valve 33 and by the tension of the spring 54. The deflector 26 will be securely held in the position Where the best results are obtained. -It has been found that the placing of the nozzle and the valve stem 49 at the angles above set forth are an important factor in the production of the best results. 4

The details and proportions of the various parts of this carbureter may be varied to meet individual requirements by those skilled in the art without departing from vthe spirit of my invention.

Having now explained the Construction of this carbureter, what I claim as my inventionv and desire to secure by Letters Patent is 1. In a carbureter, the combination of a body having an elbow at its lower end comprising a primary air inlet passage, an outlet passage, and a secondary air inlet; a fuel nozzle connecting into the elbow at its convex portion, a deector adjustably mounted in the elbow between the inlet opening and the fuel nozzle and adjacent the fuel nozzle, and means to lock the de- Hector in the desired position to control the proportion of the entering air passing the orifice of the nozzle.

2. In a carbureter, the combination of a body having an elbow at its lower end comprising a primary air inlet passage, a reduced portion intermediate its ends, an outlet passage and a secondary air inlet.between the outlet. and the reduced portion, a throttle valve mounted in the outlet passage, a fuel nozzle connecting into the elbow between the air inlet and the reduced portion of the body, a deflector mounted in the elbow between the air inlet and fuel nozzle to control the proportion of the entering air which passes the orifice of the nozzle, means to lock the delector in desired position, and a valve for normally closing the secondary air inlet.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

HARRY E. KERR. VVitnesses:

ELIZABETH M. BROWN, EDWARD N. PAGELSEN. 

